Javascript Cheatsheet

Sure! Here are concise cheatsheets for JavaScript and jQuery:

Concept	Syntax/Example	Description
Variables	`let x = 10;`	Declares a variable
Functions	`function add(a, b) { return a + b; }`	Defines a function
Arrow Functions	`const add = (a, b) => a + b;`	Defines an arrow function
Loops	`for (let i = 0; i < 5; i++) { console.log(i); }`	For loop
Conditional	`if (x > 10) { console.log('Greater than 10'); }`	If statement
Arrays	`let arr = [1, 2, 3];`	Declares an array
Objects	`let obj = { key: 'value' };`	Declares an object
DOM Manipulation	`document.getElementById('id').innerText = 'Hello';`	Changes the text content of an element
Event Handling	`button.addEventListener('click', () => { alert('Clicked'); });`	Adds an event listener to a button
Promises	`fetch('https://api.example.com/data').then(response => response.json());`	Fetches data from an API
Async/Await	`async function fetchData() { let data = await fetch('https://api.example.com/data'); return data.json(); }`	Asynchronous function using async/await